Product Description:

Specifications

CNBM high Voltage Variable Frequency Drives are designed to be highly reliable with high-performance, yet easy to use.It can satisfy users' need for changing the speed of fans or pumps,as well as improve the productivity.

The series are compatible with all types of three-phase medium voltage asynchronous motors.

Specification and advantages :

1. Voltage resource VFD, direct input of 3,3.3,4.16,6,606 and 10 kV,direct output of3,4.16, 6,6.6 and10 kV,no output transformer necessary. High input power factor, low harmonic current, no power factor corrective capacities and harmonic filters required.2. Sinusoidal multi-level PWM output waveform, no output filter required, can be directly connected to standard induction motor,no harm to the insulation of the cable or the motor, low harmonics of the motor, reduction of vibration of the shafts or the vanes,with the maximal length of the output cable of 1000m.

8. The control logic can be conveniently changed with the help of the integrated PLC.

9. Offer both field control and remote control in monitor station, providing convenient controlling options.

10. Support most of the industrial standard protocols (Profibus, Modbus, TCP/IP, etc.)

11. Compatible with industrial standard signal of 0-10V/4-20mA

12. Able to operate at either open loop control or closed loop control status with the integrated PID regulator.

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Q:What is the common COM point of the PLC and the inverter? Is it positive?

Generally refers to the common, and most of the negative

Q:Inverter problem

A: The inverter output 4 ~ 20mA (0 ~ 20mA), the analog signal can be directly connected to the measuring instrument, the daily design, installation, application are so, as long as the selection is correct, there will be no problem.

Q:Who knows how the frequency converter works

Rectifier circuit
The function of the rectifier circuit is to convert the AC power into a DC power supply. Rectifier circuit is generally a separate rectifier module.

Q:What are the types of power adapter used in notebooks?

Notebook function is limited, such as power requirements of only 50-70 watts (W). In recent years, power requirements have risen above 100 W, but the expectations for weight and size have not improved accordingly. In addition, the need to meet the low standby power performance in the specification, external power (EPS) efficiency requirements and IEC1000-3-2 harmonic power requirements above 75 W make this challenge more difficult to deal with. This article explores new trends that enable power supply manufacturers to address these challenges and provide alternative solutions to choose from.

Q:ASUS power adapter Acer can use it

See whether the power adapter is suitable for notebook use, the following three conditions for reference:
1. The output voltage of the adapter is the same as that of the notebook.

Q:How can a variable speed multi - speed three - phase asynchronous motor be controlled by a frequency converter?

Although the waste, but can be used, we use the frequency band with two-speed motor when the output is connected to the fast three terminals, you can refer to the next

Q:In the case of the inverter, why can not the normal operation after removing the gearbox? The motor is 4 pole.

If there is no load, the demolition of the gearbox is the same can be run.

Q:Please recommend a high performance laptop power adapter?

See what model you notebook ah, according to your power adapter voltage, rated current to match.

Q:I have a 11KW-4 pole inverter, now with the 4KW-4 pole motor, what impact?

that is, the load is very heavy; caused by over-current burning inverter